Paper/patches/server/0074-Use-a-Shared-Random-for-Entities.patch

114 lines
4.6 KiB
Diff
Raw Normal View History

2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 22 Mar 2016 00:33:47 -0400
Subject: [PATCH] Use a Shared Random for Entities
Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
index 52cb6a57f73749ebebba12a05be56ae923249e5a..c47f727695112010163d6635550f0c5dd5b853f6 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9188) * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor 201399fb PR-853: Add API for directly setting Display transformation matrices ecfa559a PR-849: Add InventoryView#setTitle 653d7edb SPIGOT-519: Add TNTPrimeEvent 22fccc09 PR-846: Add method to get chunk load level a070a52c PR-844: Add methods to convert Vector to and from JOML vectors cc7111fe PR-276: Add accessors to Wither's invulnerability ticks 777d24e9 SPIGOT-7209: Accessors and events for player's exp cooldown ccb2d01b SPIGOT-6308: Deprecate the location name property of map items cd04a31b PR-780: Add PlayerSpawnChangeEvent 7d1f5b64 SPIGOT-6780: Improve documentation for World#spawnFallingBlock 5696668a SPIGOT-6885: Add test and easier to debug code for reference in yaml configuration comments 2e13cff7 PR-589: Expand the FishHook API 2c7d3da5 PR-279: Minor edits to various Javadocs CraftBukkit Changes: 01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting 7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices a7cfc778f PR-1176: Add InventoryView#setTitle 563d42226 SPIGOT-519: Add TNTPrimeEvent ccbc6abca Add test for Chunk.LoadLevel mirroring 2926e0513 PR-1171: Add method to get chunk load level 63cad7f84 PR-375: Add accessors to Wither's invulnerability ticks bfd8b1ac8 SPIGOT-7209: Accessors and events for player's exp cooldown f92a41c39 PR-1181: Consolidate Location conversion code 10f866759 SPIGOT-6308: Deprecate the location name property of map items 82f7b658a PR-1095: Add PlayerSpawnChangeEvent b421af7e4 PR-808: Expand the FishHook API 598ad7b3f Increase outdated build delay Spigot Changes: d1bd3bd2 Rebuild patches e4265cc8 SPIGOT-7297: Entity Tracking Range option for Display entities * Work around javac bug * Call PlayerSpawnChangeEvent * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor 201399fb PR-853: Add API for directly setting Display transformation matrices CraftBukkit Changes: 01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting 7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices Spigot Changes: 7da74dae Rebuild patches
2023-05-12 13:10:08 +02:00
@@ -162,6 +162,79 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
2021-06-11 14:02:28 +02:00
return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
}
+ // Paper start
2022-06-07 21:55:39 +02:00
+ public static RandomSource SHARED_RANDOM = new RandomRandomSource();
+ private static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource {
2021-06-11 14:02:28 +02:00
+ private boolean locked = false;
2022-06-07 21:55:39 +02:00
+
2021-06-11 14:02:28 +02:00
+ @Override
+ public synchronized void setSeed(long seed) {
+ if (locked) {
2022-02-28 22:43:31 +01:00
+ LOGGER.error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
2021-06-11 14:02:28 +02:00
+ } else {
+ super.setSeed(seed);
+ locked = true;
+ }
+ }
2022-06-07 21:55:39 +02:00
+
+ @Override
+ public RandomSource fork() {
+ return new net.minecraft.world.level.levelgen.LegacyRandomSource(this.nextLong());
+ }
+
+ @Override
2022-06-08 15:38:56 +02:00
+ public net.minecraft.world.level.levelgen.PositionalRandomFactory forkPositional() {
2022-06-07 21:55:39 +02:00
+ return new net.minecraft.world.level.levelgen.LegacyRandomSource.LegacyPositionalRandomFactory(this.nextLong());
+ }
+
+ // these below are added to fix reobf issues that I don't wanna deal with right now
+ @Override
+ public int next(int bits) {
+ return super.next(bits);
+ }
+
2022-06-07 21:55:39 +02:00
+ @Override
+ public int nextInt(int origin, int bound) {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(origin, bound);
2022-06-07 21:55:39 +02:00
+ }
+
+ @Override
+ public long nextLong() {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextLong();
+ }
+
+ @Override
+ public int nextInt() {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt();
+ }
+
+ @Override
+ public int nextInt(int bound) {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(bound);
+ }
+
+ @Override
+ public boolean nextBoolean() {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextBoolean();
+ }
+
+ @Override
+ public float nextFloat() {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextFloat();
+ }
+
+ @Override
+ public double nextDouble() {
+ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextDouble();
+ }
+
+ @Override
+ public double nextGaussian() {
+ return super.nextGaussian();
+ }
2022-06-07 21:55:39 +02:00
+ }
2021-06-11 14:02:28 +02:00
+ // Paper end
+
private CraftEntity bukkitEntity;
public CraftEntity getBukkitEntity() {
2023-06-08 07:21:04 +02:00
@@ -406,7 +479,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
2021-06-12 04:24:43 +02:00
this.bb = Entity.INITIAL_AABB;
2021-06-11 14:02:28 +02:00
this.stuckSpeedMultiplier = Vec3.ZERO;
this.nextStep = 1.0F;
2022-06-07 21:55:39 +02:00
- this.random = RandomSource.create();
2021-06-11 14:02:28 +02:00
+ this.random = SHARED_RANDOM; // Paper
this.remainingFireTicks = -this.getFireImmuneTicks();
this.fluidHeight = new Object2DoubleArrayMap(2);
2022-03-01 06:43:03 +01:00
this.fluidOnEyes = new HashSet();
diff --git a/src/main/java/net/minecraft/world/entity/animal/Squid.java b/src/main/java/net/minecraft/world/entity/animal/Squid.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
index 891d8b4c8cb73d5e310970066831ab3e2af14e91..f60c4cd0543fd5d50fa7e2c1a9e8381227adb540 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Squid.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Squid.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
@@ -44,7 +44,7 @@ public class Squid extends WaterAnimal {
public Squid(EntityType<? extends Squid> type, Level world) {
super(type, world);
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9440) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
2023-07-04 10:22:56 +02:00
- this.random.setSeed((long)this.getId());
+ //this.random.setSeed((long)this.getId()); // Paper - we set the random to shared, do not clobber the seed
this.tentacleSpeed = 1.0F / (this.random.nextFloat() + 1.0F) * 0.2F;
}